【正文】 正在思考家鄉(xiāng)之旅，故此處應(yīng)為現(xiàn)在進(jìn)行時。根據(jù)上文“You look absentminded.”可知是詢問現(xiàn)在做的事情，此句時態(tài)是現(xiàn)在進(jìn)行時?？疾榫渥拥臅r態(tài)。我正在等他。flies是fly的第三人稱單數(shù)形式；fly是動詞原形；flew是fly的過去式?！Ｄ懵猛居淇?。reading 動名詞；am reading動詞的現(xiàn)在進(jìn)行時；was reading過去進(jìn)行時；have read動詞解析：B【詳解】句意：——趕緊。我在商店里買一些零食?？疾楝F(xiàn)在進(jìn)行時?？疾閯釉~時態(tài)。根據(jù)答語“Sorry, I… on it.”的語境可推斷出，動作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時，構(gòu)成形式為be doing；主語“I”是第一人稱單數(shù)形式，be用am，work的現(xiàn)在分詞是working。她正在打掃教室。根據(jù)句中“Now”及句意可知，句中動作表示正在進(jìn)行，表達(dá)“正在播放”應(yīng)該用現(xiàn)在進(jìn)行時，其構(gòu)成是am/is解析：B【詳解】句意：現(xiàn)在，位于森林路的ABC電影院正在放映老電影《羅馬假日》?？疾楝F(xiàn)在進(jìn)行時。6．D【詳解】句意：——托尼，快點！我們現(xiàn)在在等你。根據(jù)句中“Listen”提示，動作正在發(fā)生，故應(yīng)用現(xiàn)在進(jìn)行時。根據(jù)“I must leave now.”可知，我哥哥現(xiàn)在正在外面等我，時態(tài)是現(xiàn)在進(jìn)行時，結(jié)構(gòu)：am/is/are+動詞ing，主語My brother是第三人稱單數(shù)，故be動詞用is。根據(jù)上文“Hello. May I speak to Laura, please?”及下文“Sorry, she39。我可以和勞拉講話嗎？——對不起，她不在家。 expect18．—Hey! You nearly hit the tree! What’s up?— Sorry, I ________ the trip to my hometown.A．think about B．a(chǎn)m thinking about C．was thinking about D．thought about19．It dark. Shall I turn on the light？A．gets B．got C．is getting D．was getting20．—Peter, please be quiet. Your brother ________ on the phone.—No problem.A．records B．recorded C．was recording D．is recording21．—Ethan, let’s go to play basketball, shall we?—Sorry, I can’t. I ________Yao Ming’s game. Would you mind going later?A．watch B．have watched C．a(chǎn)m watching D．was watching22．You’d better not go this way. The workers _________ the road. A．have repaired B．a(chǎn)re repairing C．repaired D．will repair23．— Mom, I’m busy making the bed. Can you give me a hand? — Wait a moment. I ________ the floor.A．a(chǎn)m cleaning B．will clean C．was cleaning D．have cleaned24．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook25．—Lily, where is our father now? Go and get him for lunch. —Just a moment, please. Father ________ a phone call in his room.A．is making B．was making C．makes D．has made26．Xifeng Street is closed today because workers _______ some repairs.A．make B．made C．a(chǎn)re making D．were making27．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling28．—Tina, let’s go out for shopping.—Sorry, Amy. I __________ my homework.A．do B．a(chǎn)m doing C．did29．Listen! The birds ________ happily in the tree outside the window.A．sing B．sang C．a(chǎn)re singing D．were singing30．— Dad, I can’t work out this math problem. Can you give me a hand?— Wait a moment. I ________ on the phone.A．a(chǎn)m talking B．will talk C．was talking D．have talked31．—Mary, may I use your ipad for an hour?—Sorry. I ________ on it.A．work B．a(chǎn)m working C．have worked D．worked32．— Tom, what’s your sister doing?— She ________ her homework in the study.A．does B．will do C．did D．is doing33．—Where’s Nick?—He ________ classes at school.A．had B．will have C．is having D．was having34．Sorry, you can’t take the eraser away, Tony. I ________ it.A．have used B．used C．was using D．a(chǎn)m using35．Be quiet! The students ________ an English exam.A．take B．a(chǎn)re taking C．took D．have made36．Mum ________ fish in the kitchen. It smells so good